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May 8, 2011

Deep Sea Diving: The Importance Of Trimix

One of the most important aspects of scuba diving that a diver has to study is how to set up the breathing tank. Divers do not use oxygen in their tanks, they use (or, increasingly, used to use) compressed air. However air is roughly 70 percent nitrogen and 30 percent oxygen and the nitrogen can cause nitrogen sickness under pressure, so more and more divers are turning to Nitrox.

Nitrox is not air, but it is still composed solely of nitrogen and oxygen, although not in the same percentages, which you can vary. The problem with raising the amount of oxygen in the mix is that there is a greater chance of suffering from oxygen poisoning the deeper you go. Therefore, the trade off is that the more oxygen you use, the shallower you are allowed to swim.

It sounds like a rough decision, you can suffer from either nitrogen or oxygen toxicity, take your pick. However, there is a third option and it is known as Trimix. Trimix is the ‘air’ that deep sea divers make use of. It is a mixture of three gases, as its name implies: nitrogen oxygen and helium.

Helium is used as a kind of filler. It does not do us any injury and it does not do us any good either, but it allows divers to take a lung full and it reduces the volume of nitrogen and the volume of oxygen thereby reducing the likelihood of sickness.

The only problem with helium is that it conducts heat five times more than oxygen and nitrogen. This leads some deep sea divers to suffer from a condition known as hyperbaric arthralgia. Hyperbaric arthralgia is a kind of joint pain that a number of divers experience as they go deeper than 100 feet in salt water.

Deep sea divers have to learn about the various Trimixes as part of their course, because one day they will be accountable for choosing the mix they use. The option is not just compressed air, nitrox and Trimix, because there are different ratios of the gases in Trimix to take into the equation as well.

For example, a 10/70 Trimix will be composed of 10 percent oxygen, 70 percent helium (and 20 percent nitrogen). This kind of mix is appropriate for diving to a depth of 330 feet in salt water or 100 msw (metres in salt water). Fresh water is a little lighter than salt water. This does not matter at lower depths, but it does after a hundred feet.

Breathing and gases are merely one aspect of diving that you will have to master if you want to go diving. Another aspect of diving that is associated with diving is the rate of ascent. Divers used to get taught not to rise faster than their smallest bubbles, which is about 60 feet per minute. However, lots of instructors now think that this is still quite fast and recommend 30 feet per minute with a three minute wait at 15 feet.

Owen Jones, the author of this article, writes on a lot of topics, but is currently occupied with Body Glove cases products. If you would like to know more about Body Glove Wetsuit Sale, please go over to our website for some impressive bargains.

May 4, 2011

Scuba Diving vacations In Hawaii

Hawaii is a gorgeous location, we have all seen the films and the vacation photographs. The above ground scenery is stunning, but what not so many individuals know is that the sub-aqua scenery is just as striking. The good thing is that you do not have to know exactly where to go to enjoy diving because the diving is good everywhere on the islands.

Not merely is the sub-aqua scenery beautiful, but the water is warm too – all year through. You will find millions of fish, aquatic flora, coral and ship wrecks, everything that divers like to look at. There will never be a diver that regrets having gone on a diving vacation in Hawaii.

Would be divers can best study the hobby in Oahu. There are plenty of diving schools and instructors there that have the power to award a diving certificate after a day or two’s tuition. This is very fast, but the courses are comprehensive, so you can safely go shallow diving after getting your certificate. When shallow water diving, you will see lots of fish, plants and coral.

There are also a number of wrecks at Oahu, so you will be able to explore these too, if you have a bit more experience. There are a number of colossal ships down there and millions of fish.

One of the best locations to go scuba diving is Ka’awaloa Cove, which is in western Hawaii. The cove is only accessible by boat, but that is not a problem because there are a number of small boat companies that offer a ferry service. Kona is another great diving location on the big island.

Both of these locations cater for both the novice and the expert. Kona is thick with plankton, which may not sound interesting in itself, until you understand that the plankton attracts giant manta rays. The rays are particularly spectacular when seen on dives at night.

Red Hill and Kona also offer excellent opportunities for diving because there are underwater lava flows. The lava flows are best seen by daylight because that is when the sun shines off them giving them their name of Red Hills. They are just accessible by boat, but then that is not a problem either.

The smaller island of Maui also has great diving sites. Check out Molokini and its underwater volcanic crater. The crater is home for reef sharks, majestic sea turtles, numerous tropical marine fish and the spectacular giant manta rays again. This is one of the best dive sites on Hawaii and really has to be on your short list of must do dives.

The great thing about diving in Hawaii is that there is so much to see and do wherever you are located. OK, the well-liked attractions are simply that, very well-liked, but numerous individuals like being with plenty of other people – after all there is safety in numbers, but Hawaii also has quiet areas which you can discover if you look and the diving will be good there as well because the fish are the same and the water is as warm.

Owen Jones, the author of this article, writes on a lot of topics, but is currently occupied with Body Glove cases products. If you would like to know more about Body Glove Wetsuit Sale, please go over to our website for some impressive bargains.

April 23, 2011

Swimming Laps At Home In The Pool

It is a close call whether the world’s favourite way of staying fit is hiking or swimming, but only because not everyone has access to enough safe water to swim in. I think that walking is fine, but we do it each day, it is too everyday; swimming, on the other hand, launches you into a completely different world where you need a different set of skills to survive.

Hiking is very good for massaging the internal organs and exercising the legs, lungs and heart, but swimming exercises every limb and muscle and massages the internal organs too. In short, swimming is probably a better exercise than walking, but hey, you can do both, eh?

Most people merely have the local swimming pool to go to, and unfortunately they can be a real pain to use now that people are not as considerate of others as they used to be. It is not so bad if you can go while the children are in school or if the pool keeps a few of lanes free for dedicated swimmers, but otherwise, swimming at the local pool is a chore.

Of course we cannot all have our own pool in the yard, we do not even all have a yard and we can not all live near the sea. The next best thing is to become a member of a private spa or swimming club. However, if you have a small patch of ground, you might be able to squeeze in a lap pool. A lap pool is long and thin, somewhere you could get one or two lanes in, which is plenty of room for swimming up and down.

A lap pool such as this would not be very expensive because it does not have to be deep for diving and you will not require a diving board or slide. Merely a ladder or steps at one end. Four feet of water would be enough for swimming as well.

Therefore, the lap pool need not be deeper than four feet or wider than six feet, but it must be as long as you have room for. Having a lap pool like this does not mean that you cannot just float or stand in it while the weather is hot. If you do not have room for this but would still like something, you could look into procuring a swim spa.

It sounds fantastic and terribly costly, doesn’t it? Well, they are fantastic, but they are cheaper than purchasing and maintaining a garden pool. A swim spa is the equivalent of of a treadmill. A motor drives water at you and you swim into it, so that you are kept in one place by the current and your own efforts. You get a free water massage thrown in free as well!

It is costly to be able to take advantage of water sports at home, but the consolation is that you will not have to pay to get into the local pool, you will not have noisy kids getting in your way and you will be fitter.

Owen Jones, the writer of this article, writes on several topics, but is currently concerned with Speedo Swimming Costumes. If you would like to kcurrently more, please visit our website at Swimwear For Big Busts.

April 10, 2011

Pool-Side Bars

Millions of people give garden parties every year, but pool parties are even better. You probably have been to a pool bar in a hotel on holiday where one of the bars faces onto the water and there are seats in the water, normally totally submerged so that the drinkers can sit at the bar in the water and enjoy their drink. Imagine holding a party in your garden with a pool and an in-pool bar!

These bars are called pool bars or swim up bars and can be found in hotels, holiday complexes and the gardens of the well-to-do and the clever-with-their-hands.

It is doubtful whether anyone knows for sure where pool bars first appeared but they have been in the Caribbean, Portugal and Spain for a long time. I have also seen them on cruise liners.

The first option is to build, have built or purchase pre-formed. Then you can select the style that you like. If you are going to buy a kit and have the vendors install it for you, then you only have to make an appointment and a week later, the bar will be complete. If, however, you are going to use a local contractor or do-it-yourself, you will need a drawing, plan or design.

You will be able to get plenty of hints from the Net and you could download images of designs of pool bars that you like. You can download these images and print them off, but it is better to download them into a folder or onto a flash card or memory stick so that you have them all together and you can take them with you to confer with friends, family and contractors.

It should not have to be pointed out that all the materials used in your pool bar should be impervious to and totally unaffected by water and chlorine, which is particularly corrosive. This normally leaves a choice of concrete, resin and stone.

Concrete being the cheapest and stone being the most expensive material to use. If you go for concrete, you can have it covered with ceramic tiles. if you pick the correct ceramic tiles, it can look quite stunning or yo could select riven stone tiles which would be cheaper than solid stone or slate.

If you want some sort of entertainment at the bar such as a television or projector, this can be accomplished despite the amount of water, but you will require to call in an expert in these matters.

Otherwise, you could just enclose the electronic devices in a box like a fish tank, but do not forget that electrical apparatus needs ventilation, so you will need a few holes in the sides and a couple of fans driving air into the housing.

It is definitely not hard to build your own in pool bar and it should be a priority if you already have a pool.

Owen Jones, the author of this article, writes on various topics, but is currently involved with Speedo Swimming Costumes. If you would like to kcurrently more, please visit our web site at Swimwear For Big Busts.

November 17, 2010

The Science Of Swimming

Anthropologists say that man evolved out of the sea and it is absolutely a fact that our prehistoric ancestors swam according to interpretations of cave drawings in Sura, Egypt. However, the earliest written references to swimming are from about 2000 BC, but people should have been bathing, swimming and fishing long before that.

Swimming competitions started in Europe around the turn of the Nineteenth Century, but there are sure to have been swimming competitions long before that in Europe and in other continents around the world. John Arthur Trudgen made the front crawl famous in 1873, although it is likely that this style was being used in other parts of the world.

Until 1873, the breast stroke was the preferred style of swimming in Europe and America. The crawl, which was first known as the Trudgen, became an Olympic sport in 1896, the first of the modern Olympics, which were held in Athens. The butterfly stroke was introduced in 1952, before which it was considered as a variant of the breast stroke.

The vast bulk of our bodies is made up of water and there is a lot of oil as well. This means that the body is less dense than water, which also means that the human body floats under normal circumstances. So, the body will float in fresh and salt water at or 50%-ish below the surface.

You can rise above this level by paddling water downwards, which will push the body up or you can move forwards by pushing water behind you. A blend of both of these actions will propel a swimmer forward at or above the surface of the surrounding water.

It is easier to swim in salt water than fresh water, because the salt makes the water denser which means that your body will float higher in it. Decent swimmers or rather fast swimmers have subtle hips.

Swinging from one arm to another in the crawl, which is the fastest stroke, depends on hip action not on substantial arm muscles. After all, the amount of water that you can move with your hands is not that weighty.

Thigh muscles are important for a continuous, rhythmic beat and co-ordination is equally important. There are different styles of swimming the crawl, some swimmers prefer to draw the water back with cupped hands, others with flat hands and yet others with fingers slightly open.

Breathing is essential for any form of continuous exercise. It is better to control the breathing so that you breathe in on one stroke, hold it for a stroke and breathe out during the next two strokes. This means that you just have to lift your mouth out of the water every four strokes.

Swimming is a fantastic exercise because it exercises numerous muscles at the same time, but does not put pressure on hip, knee or ankle joints. It also increases the amount of oxygen in the blood., as do most exercises, but swimming encourages the partaker to hold in breath which means that the swimmer gets all the benefits from that air.

Owen Jones, the writer of this article, writes on various topics, but is now concerned with Speedo Swimming Costumes. If you would like to know more, please visit our web site at Swimwear For Big Busts.

May 14, 2010

Swimming Pool Safety For Children

Building a swimming pool in your house or garden can be a fantastic way to have fun for yourself and indeed your whole family. It is also a great way to keep fit. However, despite that, it can also be very dangerous if you have children around. If you can, you ought to wait until your children are at least five years old or more until you put a swimming pool on your property. On the other hand, if you already have a swimming pool, there are ways that you can safe-guard your children.

One thing you should always remember is to never, ever, allow your children to be alone near your pool. Children tend to be drawn to water and all it takes is a second for them to fall into the swimming pool. If you and your children are at your pool side and you have to leave the area for a second, you should always take your children with you.

To be on the safe side, you must always ensure that you have loads of safety equipment around your pool at all times. Safety gear is essential to have on the poolside, as they could save the life of a child or in fact, anyone else who can’t swim.

You should invest in a shepherd’s crook as well, because you can employ it to drag someone out of the water. Having a telephone at your pool is also a wise investment, as you can quickly call for help in the event of an emergency.

If you don’t already have a fence around your pool you should think about making one. A fence is a great way to keep children from your pool. If you have a protective fence up, you won’t have to worry about little children falling in, while you are away from the pool. When you put your fence up, you should always make sure that it’s at least 6 foot high, with a locking gate. This way, no one can get into the pool without a key, which you have to keep with you at all times.

You should learn artificial respiration too. Even though you hopefully will not ever have to use it. It is always good to know CPR in the event of someone falling in your pool that is unable to swim. Whenever you have children you know can’t swim at your pool, you should always stay within reach of them, so you can react instantly if they fall in. A minute can be all it takes to save someone’s life.

Always bear in mind that a swimming pool is for having fun in, although you should always think in terms of safety first too. Once you have finished enjoying your pool for the day, make sure that you lock up the poolside well – and padlock the gate tight so no one can get in too.

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March 4, 2010

Luxury Sea Cruises

Vacationing on a cruise ship is rightly considered to be elite and luxurious. It is certainly the best kind of vacation that I have ever had. The luxury far surpasses staying in a five star hotel. On the other hand, it is like an elite all inclusive holiday, because once on board, all the entertainment and all your meals are free. Alcoholic drinks must be paid for, but then they are duty free.

If you have never been on a cruise before you really must try it. I would not recommend it as a family vacation, but I have seen families on cruises. Cruising might suit a family with older children or you might find a cruise which is planned with children in mind. However, in my experience, your average cruiser is over 50 and married.

I know that they do 18-30 cruises and all kinds of themed cruises, but if you just go on a normal cruise, most of your fellow passengers will be older. Many of them are commemorating something too – retirement, Golden Wedding Anniversary, 70th birthday, that sort of thing. These people want a peaceful time and do not really want children running around and jumping in and out of the pool. Dinner can be late and the evening’s entertainment is not child orientated either. If you want to take children, look for a specialty cruise.

A cruise is tranquil and all about pampering. Luxury and pampering and world class food. I put on five pounds on a two week cruise and friends said that was abnormally little! I will tell you about the food on my last cruise.

Breakfast lasted from 7 AM to 10 AM and there was a buffet with food from all around the world: fruit, porridge, toast, bacon and eggs, ham, cornflakes and all the variations, sausages, rice, Chinese food, prawns, fish and more. Elevenses started at 11 AM and had tea, coffee, cakes and biscuits, help yourself.

Lunch was a two hour affair starting at 1PM consisting of four courses. There was a choice of set plans, but if you wanted to mix and match you could – I think the plans were only to make it easier for the elderly to make up their minds. With 1,200 people to give food to in two sittings, the waiters try to speed selection up in very subtle ways, but never outwardly. High tea was from 4 to 4:30PM: tea, coffee, cakes, biscuits and sandwiches.

Dinner was at 6:30PM and was a five course meal in the same vein as lunch and at midnight there was a barbecue on deck until 2AM. Everything that was served was first class and there was no restriction at all on how much you could eat.

Entertainment was after dinner and there were two shows to match the two dinner sittings, but you could sit there for both shows if you liked. There was a different show every night ranging from solo artistes to bands. There were theater plays and musical shows, it was very grand. There was also a piano bar playing jazz and a disco every night

I would recommend a cruise to anyone, but it is a good idea to check what sort of cruise you are booking as some are themed and if you do not like the cruise’s theme, you may not get the full enjoyment out of it.

Owen Jones, the writer of this piece, writes on many subjects, but is currently involved with St Croix Hotels. If you are interested in St Croix Vacation Rentals in the US Virgin Islands, please click through to our site.

February 28, 2010

Caribbean Cruises

People work harder these days than ever before. If not physically harder then longer hours and we are entitled to a break from that once in a while. The majority of us go on holiday and we look forward to it months in advance and we plan for it even further ahead. Where do you like to go or what do you like to do? I personally prefer to go on a cruise and a Caribbean cruise is a good choice.

People think a cruise, specially a Caribbean cruise as being expensive, and cruise operators want to uphold that elite image, but I see the cruise as being an up-market all inclusive holiday. Probably, it is the original all inclusive holiday, because once you walk up and off that gang plank, everything aside from drinks is free. Everything and everything is first class hotel style too! We are not talking pizza and chips here, but five or six course meals and five or six times a day.

It is common knowledge, that if you go on a cruise you can expect to gain a pound or two a week (I put on five pounds on my last cruise), unless you do some exercise. What exercise? Cruise liners have swimming pools and gymnasiums! Not only one but several. Some even set aside a deck for running at certain times of the day. There really is no excuse for not exercising on a Caribbean cruise.

Caribbean cruise liners provide more sports facilities than just gymnastics too. In fact, except for horse riding, I think that most sports are catered for. Basketball, volleyball, swimming, clay pigeon shooting, fishing, bird watching … You name it. Caribbean cruise liners also have Internet connections, games machines and full office amenities. During the evenings there are first class shows, often two a night, films in a cinema and a casino.

If you have never been on a Caribbean cruise, it is difficult to explain the amount of luxury that is provided. It is more than a first class hotel. In a first class hotel, you pay first class prices for everything too, but on a Caribbean cruise liner, everything but drinks is free and even drinks are cheap because they are duty-free. The cruise liner will have a shop too where everything it sells is duty free!

Some Caribbean cruises are themed and it is worth noting this fact. Also some times of the year, especially early February are foreseeable. I once naively went on a Caribbean cruise for a fortnight which spanned St Valentine’s day. I was a single man then and the other 1200 were romantic couples. There was only one single woman on the cruise but there was no rapport between us. I did not not enjoy that Caribbean cruise, because people took we under their wing, but it made me think about the time of year when I next booked up.

Caribbean cruises, especially the better ones, will fill up quickly, so this is one holiday that you really ought to book well in advance. A year in advance is not too early. I like to book my Caribbean cruise a year in advance, but put my name down for any last minute cancellations, in case I can pick up a bargain.

Owen Jones, the writer of this article, writes on many subjects, but is currently involved with St Croix Hotels. If you are interested in St Croix Vacation Rentals in the US Virgin Islands, please click through to our site.

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